local M = {}

local snippet = {
	[[
#include <stdio.h>

int main()
{
	long x = 470020878965;
	puts((void*)&x); // le representation
	return 0;
}
]],
	[[
float Q_rsqrt( float number )
{
	long i;
	float x2, y;
	const float threehalfs = 1.5F;

	x2 = number * 0.5F;
	y  = number;
	i  = * ( long * ) &y;                       // evil floating point bit level hacking
	i  = 0x5f3759df - ( i >> 1 );               // what the fuck?
	y  = * ( float * ) &i;
	y  = y * ( threehalfs - ( x2 * y * y ) );   // 1st iteration
//	y  = y * ( threehalfs - ( x2 * y * y ) );   // 2nd iteration, this can be removed

	return y;
}
]],
	[[
#include <stdio.h>
int main(int argc, char **argv)
{
	return printf("%s: Comma operator\n", argv[0]), 2;
}
]],
	[[
void welford(double x, double *n, double *mean, double *m2)
{
	(*n)++;
	double d = x - *mean;
	*mean += d / *n;
	*m2 += d * (x - *mean);
}
]],
	[[
#define ever (;;)

for ever {
	...
}
]],
	[[
void *xmalloc(size_t size)
{
	void *ret = malloc(size);
	if (!ret)
		die("memory exhausted");
	return ret;
}
]],
}

M.daily_random = function()
  local day = tonumber(os.date("%d"))
  local n = #snippet
  local a = 1664525
  local c = 1013904223
  local m = 2^32
  local v = (a * day + c) % m
  local r = v / m
  return snippet[math.floor(r * n) + 1]
end

return M